195863 has 2 divisors, whose sum is σ = 195864. Its totient is φ = 195862.

The previous prime is 195817. The next prime is 195869. The reversal of 195863 is 368591.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 195863 - 2¹⁰ = 194839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97931 + 97932.

It is an arithmetic number, because the mean of its divisors is an integer number (97932).

2¹⁹⁵⁸⁶³ is an apocalyptic number.

195863 is a deficient number, since it is larger than the sum of its proper divisors (1).

195863 is an equidigital number, since it uses as much as digits as its factorization.

195863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 195863 is about 442.5641196482. The cubic root of 195863 is about 58.0743201055.

The spelling of 195863 in words is "one hundred ninety-five thousand, eight hundred sixty-three".